Errors and Artifacts of >10 mm
| Hybrid PET/CT | ||||||
|---|---|---|---|---|---|---|
| EB CT | FB CT | SF image | ||||
| Errors and artifacts | Affected cases | % | Affected cases | % | Affected cases | % |
| Artifacts on CT | ||||||
| Breath-hold not sustained | 3/20 | 20 | 0/10 | — | 0/10 | 0 |
| Breath-hold timing issues | 5/20 | 33 | 0/10 | — | 0/10 | 0 |
| Free-breathing artifacts | 0/20 | — | 10/10 | 100 | 0/10 | — |
| Image registration errors > 1 cm | ||||||
| Diaphragmatic dome | 8/20 | 40 | 3/10 | 30 | 0/10 | 0 |
| Right lateral border | 0/20 | 0 | 0/10 | 0 | 0/10 | 0 |
| Caudal tip | 11/20 | 55 | 4/10 | 40 | 2/10 | 20 |
| Individual liver lesions | 5/11 | 45 | — | — | 1/5 | 20 |
| Attenuation-correction artifacts on PET > 1 cm | ||||||
| Diaphragmatic dome | 10/20 | 50 | 2/10 | 20 | 0/10 | 0 |
| Right lateral border | 0/20 | 0 | 0/10 | 0 | 0/10 | 0 |
| Caudal tip | 0/20 | 0 | 0/10 | 0 | 0/10 | 0 |